HERPETOLOGY OF JAPAN. 457 



AGKISTRODON BLOMHOFFIIa (Boie). 

 MAMUSHI. 



Plate XXVI. 



1826. Trigonocephalus blomhoffii Boie, Isis, 1826, p. 214 (type-locality, Japan; 

 Blomhoff, collector); Bijdr. Natuurk. Wetensch., II, Pt. 1, 1827, p. 268.— 

 Temminck and Schlegel, Fauna Jap., Kept., 1837, pp. 88, 96, 139; 

 Ophid., pi. VI & (Kiusiii; Hondo). — Dumeril and Bibron, Erpet. Gen., 

 VII, Ft. 2, 1854, p. 1496 (Japan).— Bleeker. Natuurk. Tijdschr. Neder- 

 land. Indie, XVI, 1858. p. 204 (Japan).— Strauch, Mem. Acad. Sci. St. 

 Petersb. (7), XXI, No. 4, 1873. pp. 251, 282 (partrspm. No. 2231: Japan, 

 Maximo witch, collector). — Hilgendorf, Mitth. Deutsch. Ges. Ost- 

 Asiens. I, heft 10, July 1876. p. 30 (Tokyo).— Eastlake, Trans. Asiat. 

 Soc. Japan, XIII, 1885, p. 72 (Japan); Nature, XXXI, April, 1885, 

 p. 587.— Okada, Cat. Vert. Japan, 1891, p. 69 (Kaga; Kyoto; Tokyo; 

 Awa, H(jndo; Hachijo shima; Echigo; Awaji; Yezo; Toza). — Halys 

 hlomhoffii Guenther, Kept. Brit. India, 1864, p. 393 (part: Japan). — 

 HiLGENDORE, Sitz. Ber. Ges. Naturf. Fr. Berlin, 1880, p. 117 (Tokyo).— 

 Ancistrodon blomhoffii Boulenger, Cat. Snakes Brit. Mus., Ill, 1896, 

 p. 525 (part: Yokohama; Tsushima). — Wall Proc. Zool. Soc. London, 

 1903, p. 102 (part: Japan); 1905, II, p. 514 (Hondo; Yezo; Tanega I.; 

 Yaku I.). 



1837. Trigonocephalus blomhoffi Schlegel, Phys. Serp., II, p. 552 (Japan). — ■ 

 Fritze, Mitth. Deutsch. Ges. Ost-Asiens,V, heft 46, 1891, p. 238 (Yezo).— 

 Ancistrodon blomhoffi Boettger, Kat. Schl. Mus. Senckenberg. , 1898, 

 p. 137 (Hondo; Yezo).— Schnee-, Zool. Garten, XLI, 1900, p. 395 (color 

 description from life). 



1859. Trigonocephalus blomhoffii \ar. megaspilus Cope, Pi-oc. Phila. Acad., 1859, 

 p. 336 (type-locality, unknown; type in Phila. Acad. Mus.; collected 

 by the Perry Expedition). 



1862. Halys bloomhoffii Peters, Mon. Ber. Berlin Akad. Wiss., 1862, p. 671 

 {lapsus). 



Description. — Adult male; U.S.N.M. No. 31867; Koclii, province 

 of Toza, Shikoku, May, 1903; Dr. Hugh M. Smith, collector (figs. 

 362-364). Rostral as high as broad scarcely visible from above; 

 internasals small, subtriaiigular, their suture half that between pre- 

 frontals which are broadly in contact with supraoculars; frontal 

 slightly longer than broad, as long as its distance from rostral and 

 as interparietal suture, nearly straight in front; supraoculars longer 

 than frontal and nearly as broad at the center of eye ; parietals as long 

 as supraoculars, longer than distance of frontal from tip of snout; 

 nostril roundish in the posterior edge of the anterior nasal wliich is 

 twice as large as the posterior; two loreals one above the other, the 

 lower one bordering the pit anteriorly; a narrow subfoveal bordering 

 the pit below posteriorly, not reaching the eye; two preoculars, of 

 which the lower borders the pits above posteriorly; pit nearer eye 

 than nostril; two postoculars, of which the lower is long, narrow, and 



a Blomhoff was director of the Dutch factory on Decima for more than ten years dur- 

 ing the early part of the nineteenth century. His collections were brought to Batavia, 

 where H. Boie described the reptiles and l)atrachians. 



b Reproduced in lliis work on Phxte XXVI. 



